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52244881 = 134018837
BaseRepresentation
bin1100011101001…
…1000110010001
310122022022111121
43013103012101
5101333314011
65103442241
71203034303
oct307230621
9118268447
1052244881
1127544397
12155b6381
13aa93140
146d1d973
1548bee71
hex31d3191

52244881 has 4 divisors (see below), whose sum is σ = 56263732. Its totient is φ = 48226032.

The previous prime is 52244867. The next prime is 52244887. The reversal of 52244881 is 18844225.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 30305025 + 21939856 = 5505^2 + 4684^2 .

It is a cyclic number.

It is not a de Polignac number, because 52244881 - 25 = 52244849 is a prime.

It is a super-2 number, since 2×522448812 = 5459055181408322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52244887) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2009406 + ... + 2009431.

It is an arithmetic number, because the mean of its divisors is an integer number (14065933).

Almost surely, 252244881 is an apocalyptic number.

It is an amenable number.

52244881 is a deficient number, since it is larger than the sum of its proper divisors (4018851).

52244881 is a wasteful number, since it uses less digits than its factorization.

52244881 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4018850.

The product of its digits is 20480, while the sum is 34.

The square root of 52244881 is about 7228.0620500934. The cubic root of 52244881 is about 373.8361092856.

The spelling of 52244881 in words is "fifty-two million, two hundred forty-four thousand, eight hundred eighty-one".

Divisors: 1 13 4018837 52244881